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Updated: May 10, 2025
It may seem almost absurd that the universal crank-movement of an engine was ever the subject of a patent. Yet such was the case. A man named Pickard anticipated Watt, and the latter then applied to his engines the "sun-and-planet" movement, instead of the crank, until the patent on the latter expired. The steam-engine marks the beginning of a long series of troubles in the claims of patentees.
There was also the engine with the sun-and-planet motion, an invention of William Murdoch's. Both of these engines were still at work. I went through the workshops, where I was specially interested by seeing the action of the machine tools.
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